Home / 4,923.20-7,381.56-1,998.56

Finding the Fourth Proportional to 4,923.20, 7,381.56 and 1,998.56

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Solution

The fourth proportional to 4,923.20, 7,381.56 and 1,998.56 is: 2,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.20 : 7,381.56 = 1,998.56 : x
  2. Step 2: Convert to fraction form
    4,923.20/7,381.56 = 1,998.56/x
  3. Step 3: Cross multiply
    4,923.20x = 7,381.56 × 1,998.56
  4. Step 4: Simplify right side
    4,923.20x = 14,752,490.55
  5. Step 5: Solve for x
    x = 14,752,490.55/4,923.20
  6. Step 6: Final answer
    x = 2,996.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.